TY  - BOOK
AU  - Parker,Sybil P.
ED  - McGraw-Hill Book Company.
TI  - McGraw-Hill encyclopedia of environmental science
SN  - 0070452644 :
AV  - QH 540.4 .M3 1980
U1  - 304.2/03 
PY  - 1980///
CY  - New York
PB  - McGraw-Hill Book Co.
KW  - Ecology
KW  - Encyclopedias
KW  - Environmental sciences
N1  - "Some of the material in this volume has been published previously in the McGraw-Hill encyclopedia of science and technology, fourth edition."; Includes bibliographies and index
ER  -